Eaton N29R28T22EE K-Factor nonlinear ventilated transformer - UL Listed
Part Number: N29R28T22EE
Quick Summary
Eaton N29R28T22EE K-Factor nonlinear ventilated transformer delivers reliable three‑phase power for demanding industrial installations. Plant engineers often grapple with heat buildup, efficiency losses, and downtime caused by undersized cooling or improper taps. This transformer addresses those challenges with a ventilated design and a 150°C rise rating that supports steady operation under heavy load. It carries UL Listed and NEMA TP-1 compliance, with catalog notes highlighting NEMA TP-1 efficiency to help reduce energy costs. With a 208 V primary and 208Y/120 V secondary, aluminum windings, and a rugged 918A frame, it integrates into modern electrical distributions while providing durable service in harsh environments.
Product Information
Extended Description
N29R28T22EE Eaton: Eaton K-Factor nonlinear ventilated transformer, KT-13 (3-phase), PV 208V, Taps: 1 at +5%/2 at -5%, SV 208Y/120V, 150°C rise w/ 200°C insulation systeam, 225 kVA, EE
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N29R28T22EE
UPC
786680064920
Product Length/Depth
30.68 in
Product Height
62.18 in
Product Width
31.44 in
Product Weight
1672 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Compliances
NEMA TP-1 Compliant
Certifications
UL Listed
Catalog Notes
NEMA TP-1 efficient
Coil material
Aluminum
Frame
918A
Tap size
1 at +5% FCAN, 2 at -5% FCBN
Frequency rating
60 Hz
Volt ampere rating
225 kVA
Phase
Three-phase
Primary voltage
208 V
Secondary Voltage
208 Y/120 V
Temperature rise
150 °C rise
Special features
Electrostatically Shielded
Weathershield
WS34
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N29R28T22EE
Feature: 225 kVA three‑phase rating with 60 Hz operation. Business Impact: Supports scalable power delivery for mid-to-large industrial loads while maintaining reliable voltage under varying demand. Application: Data centers, manufacturing lines, and process facilities requiring robust distribution. Feature: Tap changer with 1 at +5% and 2 at -5%. Business Impact: Enables precise voltage regulation to minimize nuisance trips and equipment stress during supply fluctuations. Application: Critical loads sensitive to minor voltage deviations in dynamic plant environments. Feature: Aluminum windings and 918A frame. Business Impact: Improves thermal performance and mechanical durability, reducing maintenance and replacement costs. Application: Indoor or outdoor installations where durability and long service life matter. Feature: NEMA TP-1 compliant, UL Listed, and NEMA TP-1 efficient catalog notes. Business Impact: Aligns with regulatory requirements and energy standards, increasing project eligibility and potential energy savings. Application: Compliance-focused deployments in regulated facilities and green-building initiatives. Feature: Weathershield WS34 and electrostatically shielded construction. Business Impact: Enhances resistance to environmental exposure and EMI, extending uptime in harsh environments. Application: Outdoor substations, warehouses, and industrial campuses with challenging conditions.
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FAQs
To verify compatibility, confirm your system uses a three-phase supply at around 208 V with a secondary of 208Y/120 V. Check that your panel, switchgear, and protective relays match these voltages and that the site supports a 225 kVA load. Review the taps, ambient conditions, and mounting provisions to ensure proper fit and safe operation.
Key specs include a 225 kVA three‑phase rating, 60 Hz frequency, 208 V primary, 208Y/120 V secondary, aluminum windings, and a 150 °C rise with a 200 °C insulation system. It features a tap changer at +5% and -5%, a frame size 918A, and a weight of approximately 1672 lb. UL Listed and NEMA TP-1 compliant.
Yes. The transformer includes Weathershield WS34 and electrostatic shielding, which enhance resilience against environmental conditions and EMI. Its rugged 918A frame and aluminum windings contribute to durable outdoor performance, while the WS34 weather protection helps maintain reliability in exposed or semi-exposed locations.
The unit is UL Listed and NEMA TP-1 compliant, with catalog notes indicating NEMA TP-1 efficiency. This combination supports regulatory approval for many industrial and commercial projects and helps to justify energy-efficiency incentives. Always verify local codes and utility requirements for your specific installation site.
The 225 kVA K-Factor transformer minimizes heat, improves efficiency through NEMA TP-1 efficiency, and reduces energy losses compared to older designs. Features like precise tap regulation and durable construction lower maintenance and replacement costs. While upfront cost is higher, long-term energy savings and uptime can yield a favorable ROI in manufacturing and data-center environments.